622845101 has 2 divisors, whose sum is σ = 622845102. Its totient is φ = 622845100.

The previous prime is 622845071. The next prime is 622845107. The reversal of 622845101 is 101548226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 596824900 + 26020201 = 24430^2 + 5101^2 .

It is a cyclic number.

It is not a de Polignac number, because 622845101 - 2¹⁰ = 622844077 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622845107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311422550 + 311422551.

It is an arithmetic number, because the mean of its divisors is an integer number (311422551).

Almost surely, 2^622845101 is an apocalyptic number.

It is an amenable number.

622845101 is a deficient number, since it is larger than the sum of its proper divisors (1).

622845101 is an equidigital number, since it uses as much as digits as its factorization.

622845101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 622845101 is about 24956.8648071027. The cubic root of 622845101 is about 854.0042217431.

The spelling of 622845101 in words is "six hundred twenty-two million, eight hundred forty-five thousand, one hundred one".